The profusion and popularity of free, open-source models has raised questions about how AI companies can actually profit from their products.

OpenAI's paying business users also crossed 2 million in February, more than doubling from its last update in September.

ChatGPT has surpassed 400 million weekly active users. "We feel very fortunate to serve 5 percent of the world every week," OpenAI COO Brad Lightcap said on X about the new audience stat. This figure is twice the weekly active user count reported by the company in August 2024,